Here are pdf files of some of my talks (which were prepared using TeX).
  • The talk on the conference INTEGRABLE SYSTEMS AND QUANTUM SYMMETRIES, 18 – 20 July 2009 PRAGUE

  • The talk on the conference SUPERSYMMETRIES AND QUANTUM SYMMETRIES July 29 –August 3, 2009 DUBNA

  • The talk on the conference GEOQUANT September 07 – 11, 2009, LUXEMBOURG

  • The talk on the workshop INTEGRABLE SYSTEMS AND QUANTUM SYMETRIES August 24 – 28, 2010, YEREVAN,ARMENIA

  • The opening talk on the workshop XXX workshop on GEOMETRIC METHODS IN PHYSICS. Berezian memorial session. 26 June– 2 July 2011 Białowie˙za, Poland

  • The talk on the workshop SUPERSYMMETRY AND INTEGRABLE SYSTEMS August 01 – 04, 2011, Hannover,Germany

  • It is summary of lectures on "Geometry of Differential operators" which I had on the School at XXXI workshop on GEOMETRIC METHODS IN PHYSICS. 26 June– 7 July 2012 Białowie˙za, Poland

  • The talk on the conference THE MODERN PHYSICS OF COMPACT STARS AND RELATIVISTIC GRAVITY SEPTEMBER 18 – 21, 2013, YEREVAN,ARMENIA

  • The talk on the workshop Homological Methods in Algebra Geometry and Physics July 23 – 25, 2014, LONDON

  • The talk on the conference ``Integrability and All That'' dedicated to Sasha Veselov 60th birthday, May 08-10 – , 2015, LOUGHBOROUGH

  • The talk on the conference ``Integrability in Algebra Geometry and Physics. New Trends.'' dedicated tp Sasha Veselov's 60 birthday. 13-17 July 2015, Congressi Stefano Francini, Suisse, 14 July

  • The talk on the conference Supersymmetries and Quantum Symmetries - SQS'2015\\ International Workshop, August 3 --- August 8, Dubna\\ In the memory of Professor V.I.Ogievetsky The talk is on the base of the previous two talks. It is added the example of non-trivial modular class.

  • The talk on the workshop XXXV workshop on GEOMETRIC METHODS IN PHYSICS. 26 June– 2 July 2016 Białowie˙za, Poland

  • The talk on the workshop GAP XIV seminaire itinerant "Geometrie et Physique" 8---12 August 2016 Sheffield

  • The talk on the workshop SQS XIX 26 ---31 August 2019 Yerevan

  • The talk on the Krassilshik webinar 15 June 2020 Moscow